Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB6VUY callsign genealogy
Currently held by Hartmann, Michael J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WB6VUY's current licensee, walking backwards.
- Hartmann, Michael JCOgranted 2003-11-18cancelled 2011-06-14
Successor callsigns
Callsigns held now by people who previously held WB6VUY.
- Hartmann, Michael JCOgranted 2011-06-14cancelled 2012-02-22